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\begin{equation*}\mathbb{Z}\ = \frac{\frac{\heartsuit}{\heartsuit} (\heartsuit_\heartsuit + \heartsuit_\heartsuit) ^ \heartsuit}{\heartsuit \sqrt{\heartsuit_\heartsuit} - \heartsuit ^ {-\heartsuit} } * \frac{\heartsuit}{\heartsuit} \heartsuit - \heartsuit_\heartsuit\end{equation*}
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